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Hydraulic Control Assembly - Antilock Brakes: Service and Repair

REMOVAL
1. Disconnect and isolate the negative battery terminal.
2. Disconnect the HCU harness connectors.

Fig. 6:





3. Remove all the brake lines from the HCU.

Fig. 7:





4. Remove HCU mounting bolts and remove HCU.
5. Remove bolts from mount and remove mount from HCU.

INSTALLATION
1. Install mounting bracket on HCU and tighten to 6.5 Nm (57 in. lbs.).
2. Install HCU and tighten mounting bolts to 9-13 Nm (80-115 in. lbs.).
3. Align and start brake line fittings by hand to avoid cross threading.
4. Tighten brake lines to 15-18 Nm (130-160 in. lbs.).
5. Connect HCU harness.
6. Connect negative battery terminal.
7. Bleed complete brake system.